The Thatcham Vehicle Security Categories
Category 2-1
Passenger Cars, LCV, HGV, Plant, Motorcycles
ELECTRONIC ALARM UPGRADE [GENERAL APPLICATION]
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Alarm
Perimeter detection
Ignition detection
Passenger compartment movement detection
Inclination detection (Motorcycle only)
Audible warning with battery back-up power supply
Resistance to attack for a minimum of one minute
Installed on vehicles with existing Category 2 immobilisation to attain
Category 1 status
Approved Devices
